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An Unexpected Expanse of Sand in Alaska

Dune fields of interest to scientists who study the Red Planet stand out in the Kobuk Valley amid a backdrop of green.


NASA Earth Observatory images by Lauren Dauphin, using Landsat data from the U.S. Geological Survey. Story by Adam Voiland.

Published December 2, 2020
Data acquired August 16, 2020

Source:
Landsat 8 > OLI